Roller-socket for printing-press rollers.



vPatntd Feb. 6, 1912.

W. EVENSEN.

ROLLER SOCKET FOR PRINTING PRESS ROLLBRS.

APPLICATION I'ILBD NOV. 13, 1908.

UNITED sTATEs PATENT oEEIoE.

WILLIAM EVENSEN, OF CHICAGO, ILLINOIS, ASSIGNOR TO GOSS PRINTING PRESSCOMPANY, 0F CHICAGO, ILLINOIS, A CORPORATION OF ILLINOIS.

ROLLER-SOCKET FOR PRINTING-PRESS ROLLERS.

Specification of Letters Patent.

Application led November 13, 1908.

To all whom t may concern:

Be it known that I, WILLIAM EvENsEN, a citizen of the United States,residing at Chicago, in the county of Cook and State of Illinois, haveinvented certain new and useful Improvements in Roller-Sockets forPrinting-Press Rollers, of which the following is a specification,reference being had to the accompanying drawings.

My invention relates to printing presses, and particularly to thedevices for supporting the usual inking rollers by which ink is appliedto the forms.

It has for its object to provide a new and improved device in the formof a socket which will receive the ends of the roller shaft and not onlyform a bearing therefor, but will also lock the shaft in place so thatwhile it may rotate freelyit cannot be accidentally displaced.

A printing press roller must necessarily be adjusted so as to properlycome in contact with the form, and if it is displaced even to a slightextent so that the ink is not properly applied to the printing surface alarge number of papers may be very quickly ruined owing to the speed atwhich perfecting presses are operated.

A further object is to provide a self-locking construction in a socketin which suitable lever mechanism is provided for lifting the rollerwhen it is desired to raise it out of operative position temporarily.

In the operation of printing presses it is frequently necessary to raisethe inking rollers out of contact with the forms when the press isstopped and to hold them in their elevated position in order to protectthe roller from the flattening which would ensue if the roller wereallowed to rest on the form for any considerable length of time whilenot rotating.

I accomplish these objects as illustrated in the drawings and ashereinafter described.

What I regard as new is set forth in the claims.

In the accompanying drawings,-Figure 1 is an elevation illustrating aportion of Aa printing roller, showing my improved socket in end view;Fig. 2 is a vertical section on line 2 2 of Fig. 1; Fig. 3 is a planview of the socket and Fig/l is a perspective view of the socket lever.

Referring to the drawings,-5 indicates the inking roller, and 6 theusual form cylinder.

7 indicates the inking roller shaft, the ends of which form journals onwhich the inking roller rotates.

8 indicates my improved socket, which is in the form of a fork having ashank or bracket 9 at the bottom which is slotted, as shown at 10 inFig. 2, and is adapted to be secured to the frame 11 of the press by abolt 12, as shown in Figs. 1 and 2. The upper portion of the socket, ashas been stated, is forked,-13-14: indicating the side members thereof,which are separated to form a recess 15, the width of which issubstantially equal to the diameter of the roller shaft 7. Said recessis rounded at the bottom to conform to the curvature of the shaft 7. Thesocket is provided with a slotr16, which extends from near the upper endof the member 13 partly down and under the recess 15, as best shown inFig. 2. The slot 16 is designed to accommodate the operating lever 17.The shape of the lever 17 is best shown in Fig. t, from which it will beseen that it is provided with three members-a lower or fulcrum member18, an intermediate member or locking arm 19, and an operating member orhandle 20.

As shown in Figs. 2 and l, the locking arm 19 extends laterally over thefulcrum member 18, a recess 21 being formed between said members whichis curved in the arc of a circle of substantially the same diameter asthe roller shaft 7, so that when said shaft is in position in the socketand the operating lever is in its normal position, said shaft lies inand fills the recess 21 in the manner shown in Fig. 2. The fulcrummember 18 is mounted on a pivot or fulcrum 22 secured in the lowerportion of the socket below the recess 15 and lying approximatelycentrally between vertical planes bounding the inner sides of saidsocket, as shown in Fig. 2. The purpose of so placing the pivot 22 is toinsure the automatic locking of the roller shaft in position by thelocking arm 19 and prevent the accidental movement of said arm out ofoperative position.

As shown in Fig. 2, the arm 19 .extends across the recess 15 over theroller shaft, and' it conforms to the curvature of said shaft, andconsequently as the pivot 22 lies approximately centrally under theshaft and the operative part of said arm 19' upward pressure applied tothe shaft 17 cannot move the arm 19 laterally out of operative position.In fact, considerable lateral movement of said arm is necessary beforethe shaft can be released. The position of the pivot 22 may be varied tosome extent, but it should be near enough to the vertical plane of theaxis of the shaft so that upward pressure' applied to the roller orshaft when the arm 19' is in operative position, or nearly Y so, cannotforce said arm outward and release the'shaft. v Y

vVVhen the arm 19 is in operative position, the handle 2() of the lever17 extendsupward beside' the member 13 of the socket, -against which itbears, as shown in Fig. 2. When. the handle 20 is thrown out to theposition shown 'in dotted lines in Fig. 2, the arm 19 moves from'overthe shaft 7 so .that .the shaft may be'lifted. For the purpose oflifting the inking roller slightly when the shaft isfunlocked thefulcrum 22 is placed va little to one side of the vertical plane of vtheaxis of the roller and the fulcrum member 18 is providedY with anupwardly-projecting shoulder 23 which is so placed as to projectV upinto the recess 15 when the handle 20 is operated to release the shaft,as illustrated indotted lines in Fig. 2, thereby raising'the shaft sothat the inking surface of the roller does not vlie in contact with ytheform cylinder.- The lever 17 is held in one' position or the other bymeans of a retaining spring 24 secured to the member 14 and having aV-shaped bend 25 at its lower end adapted to t in' notches 26'-27 formedinthe end ofthe fulcrum member 18. The spring 24 does not positivelylock the lever li-n'either of its positions, but serves more as a braketo prevent-accidental movement of said lever." It will be understood'that my improved socket'is applied tothe press in4 such manner that theinking' roller rotates inv thel direction indicated by the arrow in Fig.'2, 4so that it has "a tendency to keep the operating 'lever in closedor .locking position Ythrough its frictional engagement' with the arm'19.

28 'indicates an adjusting screw-fitted in a lug 29 which projects fromthe' upper portion of the. bracket 9, said screw being adapted'to bearupon a fixed portion 30 of the frame of the press so that by adjustingsaidscrew vthe 'socket may be Vvertically ad justed, theV set-screw 12havinggbeen first loosened. f

So far as I am aware, no one has hereto- I fore provided (a rollersocket of :the type -demember.

scribed provided with means for automatically loc'king the roller shaftin position, and in which the locking devices are so constructed thatthe shaft cannot be released by forcing it outward against the lockingThis is, therefore, claimed broadly.

Vhile my improved socket is intended -primarily for holding inkingrollers and is usually placed so that the slot or recess 15 is in avertical position, it may be used for holding shafts employed for otherpurposes and may also be'employed in other 'positions than that shown.

That 'which I claim as my invention, 'and desire to secure by LettersPatent, is,-

l. In combination, a roller-holder having a slot adapted to receive theshaft of a roller, a pivoted locking lever having a rigid arm adapted tobe. projected over said shaft when the latter is in, operative positionin said slot, the pivot of said lever being between the planes' of thesides of the slot and having means adapted to be actuated by the movingof the roller-shaft into operative position in the'slot to automaticallymove said arm into locking position.

2. In combination, a roller-holder having a slot adapted to receive theshaft of a roller, a pivoted lever having a rigid arm adapted to beprojected over the shaft when the latter is in operative position insaid slotand acting to lock the same against outward movement, 'thepivot of said lever being in line wit-h said slot and near the verticalplane of the center thereof,- said lever also carrying means adapted bythe movement of the roller-shaft into operative position toautomatically Vmove said arm into locking position.

3. A roller-holder having a slot adapted to receive the'shaft of aroller and a pivoted locking device having an arm extending under andsupporting the shaft when the latter is in inoperative position, and anarm adapted to extend over and automatically loek the shaft againstoutward movement in the slot when the locking device is lactuated tomove the shaft into operative position, the pivot of the lever beingbetween the planes of the sides of the slot.

L1. In combination, a roller-holder having a slot adapted to receive theshaft of a roller, and an integral locking device adapted to extendyover and automatically lock the shaft against outward movement in theslot when sa-id shaft is in operative position and having a memberextending under said shaft and operating to lift the shaft when thelatter is released, the pivot of the lever being between the planes ofthe sides of the slot. v y5, In "combination, :a roller-holder having aslot adapted to receive the shaft of a roller, said shaft is inoperative position, the pvot and an integral pvoted locking lever` havofthe lever being between the planes of ing a bar extending under theshaft and the sides of the slot.

operating to lift the shaft When the latter WILLIAM EVENSEN. isreleased, and means adapted to extend Witnesses:

over and automatically lock the shaft J. J. WALSER, Jr.,

against outward movement in the v'slot when GEO. A. EDDY.

Copies of this patent may be obtained for ve cents each, by addressingthe Commissione:l o'f Patents, Washington, D. 0.

